//
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// TransformOperators.swift
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// ObjectMapper
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//
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// Created by Tristan Himmelman on 2016-09-26.
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//
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// The MIT License (MIT)
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//
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// Copyright (c) 2014-2018 Tristan Himmelman
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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import Foundation
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// MARK:- Transforms
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/// Object of Basic type with Transform
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public func <- <Transform: TransformType>(left: inout Transform.Object, right: (Map, Transform)) {
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let (map, transform) = right
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switch map.mappingType {
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case .fromJSON where map.isKeyPresent:
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let value = transform.transformFromJSON(map.currentValue)
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FromJSON.basicType(&left, object: value)
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case .toJSON:
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left >>> right
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default: ()
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}
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}
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public func >>> <Transform: TransformType>(left: Transform.Object, right: (Map, Transform)) {
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let (map, transform) = right
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if map.mappingType == .toJSON {
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let value: Transform.JSON? = transform.transformToJSON(left)
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ToJSON.optionalBasicType(value, map: map)
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}
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}
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/// Optional object of basic type with Transform
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public func <- <Transform: TransformType>(left: inout Transform.Object?, right: (Map, Transform)) {
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let (map, transform) = right
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switch map.mappingType {
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case .fromJSON where map.isKeyPresent:
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let value = transform.transformFromJSON(map.currentValue)
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FromJSON.optionalBasicType(&left, object: value)
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case .toJSON:
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left >>> right
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default: ()
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}
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}
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public func >>> <Transform: TransformType>(left: Transform.Object?, right: (Map, Transform)) {
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let (map, transform) = right
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if map.mappingType == .toJSON {
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let value: Transform.JSON? = transform.transformToJSON(left)
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ToJSON.optionalBasicType(value, map: map)
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}
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}
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// Code targeting the Swift 4.1 compiler and below.
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#if !(swift(>=4.1.50) || (swift(>=3.4) && !swift(>=4.0)))
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/// Implicitly unwrapped optional object of basic type with Transform
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public func <- <Transform: TransformType>(left: inout Transform.Object!, right: (Map, Transform)) {
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let (map, transform) = right
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switch map.mappingType {
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case .fromJSON where map.isKeyPresent:
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let value = transform.transformFromJSON(map.currentValue)
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FromJSON.optionalBasicType(&left, object: value)
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case .toJSON:
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left >>> right
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default: ()
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}
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}
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#endif
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/// Array of Basic type with Transform
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public func <- <Transform: TransformType>(left: inout [Transform.Object], right: (Map, Transform)) {
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let (map, transform) = right
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switch map.mappingType {
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case .fromJSON where map.isKeyPresent:
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let values = fromJSONArrayWithTransform(map.currentValue, transform: transform)
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FromJSON.basicType(&left, object: values)
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case .toJSON:
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left >>> right
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default: ()
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}
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}
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public func >>> <Transform: TransformType>(left: [Transform.Object], right: (Map, Transform)) {
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let (map, transform) = right
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if map.mappingType == .toJSON{
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let values = toJSONArrayWithTransform(left, transform: transform)
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ToJSON.optionalBasicType(values, map: map)
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}
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}
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/// Optional array of Basic type with Transform
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public func <- <Transform: TransformType>(left: inout [Transform.Object]?, right: (Map, Transform)) {
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let (map, transform) = right
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switch map.mappingType {
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case .fromJSON where map.isKeyPresent:
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let values = fromJSONArrayWithTransform(map.currentValue, transform: transform)
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FromJSON.optionalBasicType(&left, object: values)
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case .toJSON:
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left >>> right
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default: ()
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}
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}
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public func >>> <Transform: TransformType>(left: [Transform.Object]?, right: (Map, Transform)) {
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let (map, transform) = right
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if map.mappingType == .toJSON {
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let values = toJSONArrayWithTransform(left, transform: transform)
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ToJSON.optionalBasicType(values, map: map)
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}
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}
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// Code targeting the Swift 4.1 compiler and below.
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#if !(swift(>=4.1.50) || (swift(>=3.4) && !swift(>=4.0)))
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/// Implicitly unwrapped optional array of Basic type with Transform
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public func <- <Transform: TransformType>(left: inout [Transform.Object]!, right: (Map, Transform)) {
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let (map, transform) = right
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switch map.mappingType {
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case .fromJSON where map.isKeyPresent:
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let values = fromJSONArrayWithTransform(map.currentValue, transform: transform)
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FromJSON.optionalBasicType(&left, object: values)
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case .toJSON:
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left >>> right
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default: ()
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}
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}
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#endif
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/// Dictionary of Basic type with Transform
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public func <- <Transform: TransformType>(left: inout [String: Transform.Object], right: (Map, Transform)) {
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let (map, transform) = right
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switch map.mappingType {
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case .fromJSON where map.isKeyPresent:
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let values = fromJSONDictionaryWithTransform(map.currentValue, transform: transform)
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FromJSON.basicType(&left, object: values)
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case .toJSON:
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left >>> right
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default: ()
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}
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}
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public func >>> <Transform: TransformType>(left: [String: Transform.Object], right: (Map, Transform)) {
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let (map, transform) = right
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if map.mappingType == . toJSON {
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let values = toJSONDictionaryWithTransform(left, transform: transform)
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ToJSON.optionalBasicType(values, map: map)
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}
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}
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/// Optional dictionary of Basic type with Transform
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public func <- <Transform: TransformType>(left: inout [String: Transform.Object]?, right: (Map, Transform)) {
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let (map, transform) = right
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switch map.mappingType {
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case .fromJSON where map.isKeyPresent:
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let values = fromJSONDictionaryWithTransform(map.currentValue, transform: transform)
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FromJSON.optionalBasicType(&left, object: values)
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case .toJSON:
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left >>> right
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default: ()
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}
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}
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public func >>> <Transform: TransformType>(left: [String: Transform.Object]?, right: (Map, Transform)) {
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let (map, transform) = right
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if map.mappingType == .toJSON {
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let values = toJSONDictionaryWithTransform(left, transform: transform)
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ToJSON.optionalBasicType(values, map: map)
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}
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}
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// Code targeting the Swift 4.1 compiler and below.
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#if !(swift(>=4.1.50) || (swift(>=3.4) && !swift(>=4.0)))
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/// Implicitly unwrapped optional dictionary of Basic type with Transform
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public func <- <Transform: TransformType>(left: inout [String: Transform.Object]!, right: (Map, Transform)) {
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let (map, transform) = right
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switch map.mappingType {
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case .fromJSON where map.isKeyPresent:
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let values = fromJSONDictionaryWithTransform(map.currentValue, transform: transform)
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FromJSON.optionalBasicType(&left, object: values)
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case .toJSON:
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left >>> right
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default: ()
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}
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}
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#endif
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// MARK:- Transforms of Mappable Objects - <T: BaseMappable>
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/// Object conforming to Mappable that have transforms
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public func <- <Transform: TransformType>(left: inout Transform.Object, right: (Map, Transform)) where Transform.Object: BaseMappable {
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let (map, transform) = right
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switch map.mappingType {
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case .fromJSON where map.isKeyPresent:
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let value: Transform.Object? = transform.transformFromJSON(map.currentValue)
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FromJSON.basicType(&left, object: value)
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case .toJSON:
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left >>> right
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default: ()
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}
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}
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public func >>> <Transform: TransformType>(left: Transform.Object, right: (Map, Transform)) where Transform.Object: BaseMappable {
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let (map, transform) = right
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if map.mappingType == .toJSON {
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let value: Transform.JSON? = transform.transformToJSON(left)
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ToJSON.optionalBasicType(value, map: map)
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}
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}
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/// Optional Mappable objects that have transforms
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public func <- <Transform: TransformType>(left: inout Transform.Object?, right: (Map, Transform)) where Transform.Object: BaseMappable {
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let (map, transform) = right
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switch map.mappingType {
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case .fromJSON where map.isKeyPresent:
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let value: Transform.Object? = transform.transformFromJSON(map.currentValue)
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FromJSON.optionalBasicType(&left, object: value)
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case .toJSON:
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left >>> right
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default: ()
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}
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}
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public func >>> <Transform: TransformType>(left: Transform.Object?, right: (Map, Transform)) where Transform.Object: BaseMappable {
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let (map, transform) = right
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if map.mappingType == .toJSON{
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let value: Transform.JSON? = transform.transformToJSON(left)
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ToJSON.optionalBasicType(value, map: map)
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}
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}
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// Code targeting the Swift 4.1 compiler and below.
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#if !(swift(>=4.1.50) || (swift(>=3.4) && !swift(>=4.0)))
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/// Implicitly unwrapped optional Mappable objects that have transforms
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public func <- <Transform: TransformType>(left: inout Transform.Object!, right: (Map, Transform)) where Transform.Object: BaseMappable {
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let (map, transform) = right
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switch map.mappingType {
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case .fromJSON where map.isKeyPresent:
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let value: Transform.Object? = transform.transformFromJSON(map.currentValue)
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FromJSON.optionalBasicType(&left, object: value)
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case .toJSON:
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left >>> right
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default: ()
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}
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}
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#endif
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// MARK:- Dictionary of Mappable objects with a transform - Dictionary<String, T: BaseMappable>
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/// Dictionary of Mappable objects <String, T: Mappable> with a transform
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public func <- <Transform: TransformType>(left: inout Dictionary<String, Transform.Object>, right: (Map, Transform)) where Transform.Object: BaseMappable {
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let (map, transform) = right
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if map.mappingType == .fromJSON && map.isKeyPresent,
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let object = map.currentValue as? [String: Any] {
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let value = fromJSONDictionaryWithTransform(object as Any?, transform: transform) ?? left
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FromJSON.basicType(&left, object: value)
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} else if map.mappingType == .toJSON {
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left >>> right
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}
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}
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public func >>> <Transform: TransformType>(left: Dictionary<String, Transform.Object>, right: (Map, Transform)) where Transform.Object: BaseMappable {
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let (map, transform) = right
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if map.mappingType == .toJSON {
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let value = toJSONDictionaryWithTransform(left, transform: transform)
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ToJSON.basicType(value, map: map)
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}
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}
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/// Optional Dictionary of Mappable object <String, T: Mappable> with a transform
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public func <- <Transform: TransformType>(left: inout Dictionary<String, Transform.Object>?, right: (Map, Transform)) where Transform.Object: BaseMappable {
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let (map, transform) = right
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if map.mappingType == .fromJSON && map.isKeyPresent, let object = map.currentValue as? [String : Any]{
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let value = fromJSONDictionaryWithTransform(object as Any?, transform: transform) ?? left
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FromJSON.optionalBasicType(&left, object: value)
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} else if map.mappingType == .toJSON {
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left >>> right
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}
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}
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public func >>> <Transform: TransformType>(left: Dictionary<String, Transform.Object>?, right: (Map, Transform)) where Transform.Object: BaseMappable {
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let (map, transform) = right
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if map.mappingType == .toJSON {
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let value = toJSONDictionaryWithTransform(left, transform: transform)
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ToJSON.optionalBasicType(value, map: map)
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}
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}
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|
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// Code targeting the Swift 4.1 compiler and below.
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#if !(swift(>=4.1.50) || (swift(>=3.4) && !swift(>=4.0)))
|
/// Implicitly unwrapped Optional Dictionary of Mappable object <String, T: Mappable> with a transform
|
public func <- <Transform: TransformType>(left: inout Dictionary<String, Transform.Object>!, right: (Map, Transform)) where Transform.Object: BaseMappable {
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let (map, transform) = right
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if map.mappingType == .fromJSON && map.isKeyPresent, let dictionary = map.currentValue as? [String : Any]{
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let transformedDictionary = fromJSONDictionaryWithTransform(dictionary as Any?, transform: transform) ?? left
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FromJSON.optionalBasicType(&left, object: transformedDictionary)
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} else if map.mappingType == .toJSON {
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left >>> right
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}
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}
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#endif
|
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/// Dictionary of Mappable objects <String, T: Mappable> with a transform
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public func <- <Transform: TransformType>(left: inout Dictionary<String, [Transform.Object]>, right: (Map, Transform)) where Transform.Object: BaseMappable {
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let (map, transform) = right
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if let dictionary = map.currentValue as? [String : [Any]], map.mappingType == .fromJSON && map.isKeyPresent {
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let transformedDictionary = dictionary.map { (arg: (key: String, values: [Any])) -> (String, [Transform.Object]) in
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let (key, values) = arg
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if let jsonArray = fromJSONArrayWithTransform(values, transform: transform) {
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return (key, jsonArray)
|
}
|
if let leftValue = left[key] {
|
return (key, leftValue)
|
}
|
return (key, [])
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}
|
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FromJSON.basicType(&left, object: transformedDictionary)
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} else if map.mappingType == .toJSON {
|
left >>> right
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}
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}
|
|
public func >>> <Transform: TransformType>(left: Dictionary<String, [Transform.Object]>, right: (Map, Transform)) where Transform.Object: BaseMappable {
|
let (map, transform) = right
|
|
if map.mappingType == .toJSON {
|
|
let transformedDictionary = left.map { (arg: (key: String, value: [Transform.Object])) in
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return (arg.key, toJSONArrayWithTransform(arg.value, transform: transform) ?? [])
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}
|
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ToJSON.basicType(transformedDictionary, map: map)
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}
|
}
|
|
|
/// Optional Dictionary of Mappable object <String, T: Mappable> with a transform
|
public func <- <Transform: TransformType>(left: inout Dictionary<String, [Transform.Object]>?, right: (Map, Transform)) where Transform.Object: BaseMappable {
|
let (map, transform) = right
|
|
if let dictionary = map.currentValue as? [String : [Any]], map.mappingType == .fromJSON && map.isKeyPresent {
|
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let transformedDictionary = dictionary.map { (arg: (key: String, values: [Any])) -> (String, [Transform.Object]) in
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let (key, values) = arg
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if let jsonArray = fromJSONArrayWithTransform(values, transform: transform) {
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return (key, jsonArray)
|
}
|
if let leftValue = left?[key] {
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return (key, leftValue)
|
}
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return (key, [])
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}
|
|
FromJSON.optionalBasicType(&left, object: transformedDictionary)
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} else if map.mappingType == .toJSON {
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left >>> right
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}
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}
|
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public func >>> <Transform: TransformType>(left: Dictionary<String, [Transform.Object]>?, right: (Map, Transform)) where Transform.Object: BaseMappable {
|
let (map, transform) = right
|
|
if map.mappingType == .toJSON {
|
let transformedDictionary = left?.map { (arg: (key: String, values: [Transform.Object])) in
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return (arg.key, toJSONArrayWithTransform(arg.values, transform: transform) ?? [])
|
}
|
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ToJSON.optionalBasicType(transformedDictionary, map: map)
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}
|
}
|
|
|
// Code targeting the Swift 4.1 compiler and below.
|
#if !(swift(>=4.1.50) || (swift(>=3.4) && !swift(>=4.0)))
|
/// Implicitly unwrapped Optional Dictionary of Mappable object <String, T: Mappable> with a transform
|
public func <- <Transform: TransformType>(left: inout Dictionary<String, [Transform.Object]>!, right: (Map, Transform)) where Transform.Object: BaseMappable {
|
let (map, transform) = right
|
|
if let dictionary = map.currentValue as? [String : [Any]], map.mappingType == .fromJSON && map.isKeyPresent {
|
let transformedDictionary = dictionary.map { (arg: (key: String, values: [Any])) -> (String, [Transform.Object]) in
|
let (key, values) = arg
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if let jsonArray = fromJSONArrayWithTransform(values, transform: transform) {
|
return (key, jsonArray)
|
}
|
if let leftValue = left?[key] {
|
return (key, leftValue)
|
}
|
return (key, [])
|
}
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FromJSON.optionalBasicType(&left, object: transformedDictionary)
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} else if map.mappingType == .toJSON {
|
left >>> right
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}
|
}
|
#endif
|
|
// MARK:- Array of Mappable objects with transforms - Array<T: BaseMappable>
|
|
/// Array of Mappable objects
|
public func <- <Transform: TransformType>(left: inout Array<Transform.Object>, right: (Map, Transform)) where Transform.Object: BaseMappable {
|
let (map, transform) = right
|
switch map.mappingType {
|
case .fromJSON where map.isKeyPresent:
|
if let transformedValues = fromJSONArrayWithTransform(map.currentValue, transform: transform) {
|
FromJSON.basicType(&left, object: transformedValues)
|
}
|
case .toJSON:
|
left >>> right
|
default: ()
|
}
|
}
|
|
public func >>> <Transform: TransformType>(left: Array<Transform.Object>, right: (Map, Transform)) where Transform.Object: BaseMappable {
|
let (map, transform) = right
|
if map.mappingType == .toJSON {
|
let transformedValues = toJSONArrayWithTransform(left, transform: transform)
|
ToJSON.optionalBasicType(transformedValues, map: map)
|
}
|
}
|
|
|
/// Optional array of Mappable objects
|
public func <- <Transform: TransformType>(left: inout Array<Transform.Object>?, right: (Map, Transform)) where Transform.Object: BaseMappable {
|
let (map, transform) = right
|
switch map.mappingType {
|
case .fromJSON where map.isKeyPresent:
|
let transformedValues = fromJSONArrayWithTransform(map.currentValue, transform: transform)
|
FromJSON.optionalBasicType(&left, object: transformedValues)
|
case .toJSON:
|
left >>> right
|
default: ()
|
}
|
}
|
|
public func >>> <Transform: TransformType>(left: Array<Transform.Object>?, right: (Map, Transform)) where Transform.Object: BaseMappable {
|
let (map, transform) = right
|
if map.mappingType == .toJSON {
|
let transformedValues = toJSONArrayWithTransform(left, transform: transform)
|
ToJSON.optionalBasicType(transformedValues, map: map)
|
}
|
}
|
|
|
// Code targeting the Swift 4.1 compiler and below.
|
#if !(swift(>=4.1.50) || (swift(>=3.4) && !swift(>=4.0)))
|
/// Implicitly unwrapped Optional array of Mappable objects
|
public func <- <Transform: TransformType>(left: inout Array<Transform.Object>!, right: (Map, Transform)) where Transform.Object: BaseMappable {
|
let (map, transform) = right
|
switch map.mappingType {
|
case .fromJSON where map.isKeyPresent:
|
let transformedValues = fromJSONArrayWithTransform(map.currentValue, transform: transform)
|
FromJSON.optionalBasicType(&left, object: transformedValues)
|
case .toJSON:
|
left >>> right
|
default: ()
|
}
|
}
|
#endif
|
|
// MARK:- Array of Array of objects - Array<Array<T>>> with transforms
|
|
/// Array of Array of objects with transform
|
public func <- <Transform: TransformType>(left: inout [[Transform.Object]], right: (Map, Transform)) {
|
let (map, transform) = right
|
switch map.mappingType {
|
case .toJSON:
|
left >>> right
|
case .fromJSON where map.isKeyPresent:
|
guard let original2DArray = map.currentValue as? [[Any]] else { break }
|
#if swift(>=4.1)
|
let transformed2DArray = original2DArray.compactMap { values in
|
fromJSONArrayWithTransform(values as Any?, transform: transform)
|
}
|
#else
|
let transformed2DArray = original2DArray.flatMap { values in
|
fromJSONArrayWithTransform(values as Any?, transform: transform)
|
}
|
#endif
|
FromJSON.basicType(&left, object: transformed2DArray)
|
default:
|
break
|
}
|
}
|
|
public func >>> <Transform: TransformType>(left: [[Transform.Object]], right: (Map, Transform)) {
|
let (map, transform) = right
|
if map.mappingType == .toJSON{
|
#if swift(>=4.1)
|
let transformed2DArray = left.compactMap { values in
|
toJSONArrayWithTransform(values, transform: transform)
|
}
|
#else
|
let transformed2DArray = left.flatMap { values in
|
toJSONArrayWithTransform(values, transform: transform)
|
}
|
#endif
|
ToJSON.basicType(transformed2DArray, map: map)
|
}
|
}
|
|
/// Optional array of array of objects with transform
|
public func <- <Transform: TransformType>(left: inout [[Transform.Object]]?, right: (Map, Transform)) {
|
let (map, transform) = right
|
switch map.mappingType {
|
case .toJSON:
|
left >>> right
|
case .fromJSON where map.isKeyPresent:
|
guard let original2DArray = map.currentValue as? [[Any]] else { break }
|
#if swift(>=4.1)
|
let transformed2DArray = original2DArray.compactMap { values in
|
fromJSONArrayWithTransform(values as Any?, transform: transform)
|
}
|
#else
|
let transformed2DArray = original2DArray.flatMap { values in
|
fromJSONArrayWithTransform(values as Any?, transform: transform)
|
}
|
#endif
|
FromJSON.optionalBasicType(&left, object: transformed2DArray)
|
default:
|
break
|
}
|
}
|
|
public func >>> <Transform: TransformType>(left: [[Transform.Object]]?, right: (Map, Transform)) {
|
let (map, transform) = right
|
if map.mappingType == .toJSON {
|
#if swift(>=4.1)
|
let transformed2DArray = left?.compactMap { values in
|
toJSONArrayWithTransform(values, transform: transform)
|
}
|
#else
|
let transformed2DArray = left?.flatMap { values in
|
toJSONArrayWithTransform(values, transform: transform)
|
}
|
#endif
|
ToJSON.optionalBasicType(transformed2DArray, map: map)
|
}
|
}
|
|
|
// Code targeting the Swift 4.1 compiler and below.
|
#if !(swift(>=4.1.50) || (swift(>=3.4) && !swift(>=4.0)))
|
/// Implicitly unwrapped Optional array of array of objects with transform
|
public func <- <Transform: TransformType>(left: inout [[Transform.Object]]!, right: (Map, Transform)) {
|
let (map, transform) = right
|
switch map.mappingType {
|
case .toJSON:
|
left >>> right
|
case .fromJSON where map.isKeyPresent:
|
guard let original2DArray = map.currentValue as? [[Any]] else { break }
|
#if swift(>=4.1)
|
let transformed2DArray = original2DArray.compactMap { values in
|
fromJSONArrayWithTransform(values as Any?, transform: transform)
|
}
|
#else
|
let transformed2DArray = original2DArray.flatMap { values in
|
fromJSONArrayWithTransform(values as Any?, transform: transform)
|
}
|
#endif
|
FromJSON.optionalBasicType(&left, object: transformed2DArray)
|
default:
|
break
|
}
|
}
|
#endif
|
|
// MARK:- Set of Mappable objects with a transform - Set<T: BaseMappable>
|
|
/// Set of Mappable objects with transform
|
public func <- <Transform: TransformType>(left: inout Set<Transform.Object>, right: (Map, Transform)) where Transform.Object: BaseMappable {
|
let (map, transform) = right
|
switch map.mappingType {
|
case .fromJSON where map.isKeyPresent:
|
if let transformedValues = fromJSONArrayWithTransform(map.currentValue, transform: transform) {
|
FromJSON.basicType(&left, object: Set(transformedValues))
|
}
|
case .toJSON:
|
left >>> right
|
default: ()
|
}
|
}
|
|
public func >>> <Transform: TransformType>(left: Set<Transform.Object>, right: (Map, Transform)) where Transform.Object: BaseMappable {
|
let (map, transform) = right
|
if map.mappingType == .toJSON {
|
let transformedValues = toJSONArrayWithTransform(Array(left), transform: transform)
|
ToJSON.optionalBasicType(transformedValues, map: map)
|
}
|
}
|
|
|
/// Optional Set of Mappable objects with transform
|
public func <- <Transform: TransformType>(left: inout Set<Transform.Object>?, right: (Map, Transform)) where Transform.Object: BaseMappable {
|
let (map, transform) = right
|
switch map.mappingType {
|
case .fromJSON where map.isKeyPresent:
|
if let transformedValues = fromJSONArrayWithTransform(map.currentValue, transform: transform) {
|
FromJSON.basicType(&left, object: Set(transformedValues))
|
}
|
case .toJSON:
|
left >>> right
|
default: ()
|
}
|
}
|
|
public func >>> <Transform: TransformType>(left: Set<Transform.Object>?, right: (Map, Transform)) where Transform.Object: BaseMappable {
|
let (map, transform) = right
|
if map.mappingType == .toJSON {
|
if let values = left {
|
let transformedValues = toJSONArrayWithTransform(Array(values), transform: transform)
|
ToJSON.optionalBasicType(transformedValues, map: map)
|
}
|
}
|
}
|
|
|
// Code targeting the Swift 4.1 compiler and below.
|
#if !(swift(>=4.1.50) || (swift(>=3.4) && !swift(>=4.0)))
|
/// Implicitly unwrapped Optional set of Mappable objects with transform
|
public func <- <Transform: TransformType>(left: inout Set<Transform.Object>!, right: (Map, Transform)) where Transform.Object: BaseMappable {
|
let (map, transform) = right
|
switch map.mappingType {
|
case .fromJSON where map.isKeyPresent:
|
if let transformedValues = fromJSONArrayWithTransform(map.currentValue, transform: transform) {
|
FromJSON.basicType(&left, object: Set(transformedValues))
|
}
|
case .toJSON:
|
left >>> right
|
default: ()
|
}
|
}
|
#endif
|
|
|
private func fromJSONArrayWithTransform<Transform: TransformType>(_ input: Any?, transform: Transform) -> [Transform.Object]? {
|
if let values = input as? [Any] {
|
#if swift(>=4.1)
|
return values.compactMap { value in
|
return transform.transformFromJSON(value)
|
}
|
#else
|
return values.flatMap { value in
|
return transform.transformFromJSON(value)
|
}
|
#endif
|
} else {
|
return nil
|
}
|
}
|
|
private func fromJSONDictionaryWithTransform<Transform: TransformType>(_ input: Any?, transform: Transform) -> [String: Transform.Object]? {
|
if let values = input as? [String: Any] {
|
return values.filterMap { value in
|
return transform.transformFromJSON(value)
|
}
|
} else {
|
return nil
|
}
|
}
|
|
private func toJSONArrayWithTransform<Transform: TransformType>(_ input: [Transform.Object]?, transform: Transform) -> [Transform.JSON]? {
|
#if swift(>=4.1)
|
return input?.compactMap { value in
|
return transform.transformToJSON(value)
|
}
|
#else
|
return input?.flatMap { value in
|
return transform.transformToJSON(value)
|
}
|
#endif
|
}
|
|
private func toJSONDictionaryWithTransform<Transform: TransformType>(_ input: [String: Transform.Object]?, transform: Transform) -> [String: Transform.JSON]? {
|
return input?.filterMap { value in
|
return transform.transformToJSON(value)
|
}
|
}
|
